#include<stdio.h>
#include<stdlib.h>
#include<unistd.h>
#include<string.h>
#include<sys/wait.h>
#include<sys/types.h>

int main(int argc,char *argv[])
{
    if(argc!=2)
    {
        printf("请至少输入一个指令\n");
    }
    printf("环境变量：ENDIO_S:%s\n",getenv("ENDIO_S"));
    if(strcmp(argv[1],"-a")==0)
    {
        printf("hello a\n");
    }
    if(strcmp(argv[1],"-b")==0)
    {
        printf("hello b\n");
    }
    return 0;
}
